PS

Paul R. Schweyen

CA Carborundum Abrasives: 3 patents #2 of 9Top 25%
📍 Tonawanda, NY: #104 of 379 inventorsTop 30%
🗺 New York: #38,318 of 115,490 inventorsTop 35%
Overall (All Time): #1,675,660 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4663223 Tearable flexible coated abrasive product 1987-05-05
4478610 Method of preparing flexible backing material for use in coated abrasives Dhan N. Parekh 1984-10-23
4437865 Flexible backing material for use in coated abrasives Dhan N. Parekh 1984-03-20